/// <summary> * The constructor from object identifier
/// </summary>
/// <param name="base">the base configuration file </param>
/// <param name="r">the repository</param>
/// <param name="objectid">the object identifier</param>
/// <exception cref="IOException">
/// the blob cannot be read from the repository. </exception>
/// <exception cref="ConfigInvalidException">
/// the blob is not a valid configuration format.
/// </exception>
public BlobBasedConfig(Config @base, Repository r, ObjectId objectid)
: base(@base)
{
ObjectLoader loader = r.OpenBlob(objectid);
if (loader == null)
{
throw new IOException("Blob not found: " + objectid);
}
fromText(RawParseUtils.decode(loader.Bytes));
}
private void EnsureLoaded()
{
if (IsLoaded)
{
return;
}
ObjectLoader or = _db.OpenTree(Id);
if (or == null)
{
throw new MissingObjectException(Id, ObjectType.Tree);
}
ReadTree(or.Bytes);
}
/// <summary> * The constructor from object identifier
/// </summary>
/// <param name="base">the base configuration file </param>
/// <param name="repo">the repository</param>
/// <param name="objectid">the object identifier</param>
/// <exception cref="IOException">
/// the blob cannot be read from the repository. </exception>
/// <exception cref="ConfigInvalidException">
/// the blob is not a valid configuration format.
/// </exception>
public BlobBasedConfig(Config @base, Repository repo, ObjectId objectid)
: base(@base)
{
if (repo == null)
{
throw new System.ArgumentNullException("repo");
}
ObjectLoader loader = repo.OpenBlob(objectid);
if (loader == null)
{
throw new IOException("Blob not found: " + objectid);
}
fromText(RawParseUtils.decode(loader.Bytes));
}
/// <summary>
/// Access a Commit by SHA'1 id.
/// </summary>
/// <param name="id"></param>
/// <returns>Commit or null</returns>
public Commit MapCommit(ObjectId id)
{
ObjectLoader or = OpenObject(id);
if (or == null)
{
return(null);
}
byte[] raw = or.Bytes;
if (Constants.OBJ_COMMIT == or.Type)
{
return(new Commit(this, id, raw));
}
throw new IncorrectObjectTypeException(id, ObjectType.Commit);
}
private void WriteWholeObjectDeflate(ObjectToPack otp)
{
ObjectLoader loader = _db.OpenObject(_windowCursor, otp);
byte[] data = loader.CachedBytes;
WriteObjectHeader(otp.Type, data.Length);
_deflater.Reset();
_deflater.SetInput(data, 0, data.Length);
_deflater.Finish();
do
{
int n = _deflater.Deflate(_buf, 0, _buf.Length);
if (n > 0)
{
_pos.Write(_buf, 0, n);
}
} while (!_deflater.IsFinished);
}
/// <summary>
/// Access a Tag by SHA'1 id
/// </summary>
/// <param name="refName"></param>
/// <param name="id"></param>
/// <returns>Commit or null</returns>
public Tag MapTag(string refName, ObjectId id)
{
ObjectLoader or = OpenObject(id);
if (or == null)
{
return(null);
}
byte[] raw = or.Bytes;
if (ObjectType.Tag == (ObjectType)or.Type)
{
return(new Tag(this, id, refName, raw));
}
return(new Tag(this, id, refName, null));
}
private ObjectLoader OpenObjectImpl2(WindowCursor curs, string objectName, AnyObjectId objectId)
{
ObjectLoader ldr = openObject2(curs, objectName, objectId);
if (ldr != null)
{
return(ldr);
}
foreach (ObjectDatabase alt in getAlternates())
{
ldr = alt.OpenObjectImpl2(curs, objectName, objectId);
if (ldr != null)
{
return(ldr);
}
}
return(null);
}
/// <summary>
/// Access a Tree by SHA'1 id.
/// </summary>
/// <param name="id"></param>
/// <returns>Tree or null</returns>
public Tree MapTree(ObjectId id)
{
ObjectLoader or = OpenObject(id);
if (or == null)
{
return(null);
}
byte[] raw = or.Bytes;
switch (((ObjectType)or.Type))
{
case ObjectType.Tree:
return(new Tree(this, id, raw));
case ObjectType.Commit:
return(MapTree(ObjectId.FromString(raw, 5)));
}
throw new IncorrectObjectTypeException(id, ObjectType.Tree);
}
/// <summary>
/// Open an object from this database.
/// <para />
/// Alternates (if present) are searched automatically.
/// </summary>
/// <param name="curs">
/// Temporary working space associated with the calling thread.
/// </param>
/// <param name="objectId">Identity of the object to open.</param>
/// <returns>
/// A <see cref="ObjectLoader"/> for accessing the data of the named
/// object, or null if the object does not exist.
/// </returns>
public ObjectLoader openObject(WindowCursor curs, AnyObjectId objectId)
{
if (objectId == null)
{
return(null);
}
ObjectLoader ldr = OpenObjectImpl1(curs, objectId);
if (ldr != null)
{
return(ldr);
}
ldr = OpenObjectImpl2(curs, objectId.Name, objectId);
if (ldr != null)
{
return(ldr);
}
return(null);
}
/// <summary>
/// The constructor from commit and path
/// </summary>
/// <param name="base">The base configuration file</param>
/// <param name="commit">The commit that contains the object</param>
/// <param name="path">The path within the tree of the commit</param>
/// <exception cref="FileNotFoundException">
/// the path does not exist in the commit's tree.
/// </exception>
/// <exception cref="IOException">
/// the tree and/or blob cannot be accessed.
/// </exception>
/// <exception cref="ConfigInvalidException">
/// the blob is not a valid configuration format.
/// </exception>
public BlobBasedConfig(Config @base, Commit commit, string path)
: base(@base)
{
ObjectId treeId = commit.TreeId;
Repository r = commit.Repository;
TreeWalk.TreeWalk tree = TreeWalk.TreeWalk.ForPath(r, path, treeId);
if (tree == null)
{
throw new FileNotFoundException("Entry not found by path: " + path);
}
ObjectId blobId = tree.getObjectId(0);
ObjectLoader loader = tree.Repository.OpenBlob(blobId);
if (loader == null)
{
throw new IOException("Blob not found: " + blobId + " for path: " + path);
}
fromText(RawParseUtils.decode(loader.Bytes));
}
/// <summary>
/// Check out content of the specified index entry
/// </summary>
/// <param name="workDir">workdir</param>
/// <param name="e">index entry</param>
/// <exception cref="IOException"></exception>
public void checkoutEntry(FileSystemInfo workDir, Entry e)
{
ObjectLoader ol = Repository.OpenBlob(e.ObjectId);
byte[] bytes = ol.Bytes;
var file = new FileInfo(Path.Combine(workDir.DirectoryName(), e.Name));
if (file.Exists)
{
file.Delete();
}
file.Directory.Mkdirs();
using (var fs = new FileStream(file.FullName, System.IO.FileMode.CreateNew))
{
var ms = new MemoryStream(bytes);
ms.WriteTo(fs);
}
if (ConfigFilemode(Repository) && FileHasExecute())
{
if (FileMode.ExecutableFile.Equals(e.Mode))
{
if (!FileCanExecute(file))
{
FileSetExecute(file, true);
}
}
else if (FileCanExecute(file))
{
FileSetExecute(file, false);
}
}
e.Mtime = file.lastModified() * 1000000L;
e.Ctime = e.Mtime;
}
